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公开(公告)号:US20250092007A1
公开(公告)日:2025-03-20
申请号:US18291588
申请日:2022-09-14
Applicant: BOE Technology Group Co., Ltd.
Inventor: Yuqian SUN , Lixia QIU , Yang LIU
IPC: C07D311/96 , C07C211/61 , C07D217/18 , C07D263/64 , C07D405/12 , C07D413/14 , H10K50/15 , H10K50/17 , H10K50/18
Abstract: An arylamine compound and use thereof, an electroluminescent device and a display apparatus are provided, the arylamine compound has a general structural formula of Formula I; wherein each group and substituent have the same meaning as that in the description.
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公开(公告)号:US20240397739A1
公开(公告)日:2024-11-28
申请号:US18694414
申请日:2023-08-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Abstract: A light-emitting device comprises a first electrode, at least two light-emitting units and a second electrode which are sequentially stacked in a first direction. The at least two light-emitting units comprise a first light-emitting unit and a second light-emitting unit, the second light-emitting unit being located between the first light-emitting unit and the second electrode. At least one light-emitting unit comprises a light-emitting layer and an exciton blocking layer located on the side of the light-emitting layer close to the first electrode; the exciton blocking layer comprises a first sub-layer and a second sub-layer which are stacked in the first direction; the first sub-layer is located between the second sub-layer and the light-emitting layer; and in the first direction, the thickness of the first sub-layer is smaller than that of the second sub-layer, and the highest occupied molecular orbital energy level of the first sub-layer is higher than the highest occupied molecular orbital energy level of the second sub-layer. The light-emitting device provided by the present disclosure can enable exciton recombination regions of the light-emitting layer corresponding to each light-emitting unit to get close as much as possible, thereby improving light-emitting efficiency of the light-emitting device.
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3.
公开(公告)号:US20230413591A1
公开(公告)日:2023-12-21
申请号:US18036153
申请日:2020-11-30
Applicant: BOE Technology Group Co., Ltd.
Inventor: Yang LIU , Xueqin CHEN , Yuqian SUN , Lixia QIU , Dongxu ZHANG
CPC classification number: H10K50/12 , H10K50/181 , H10K71/60 , H10K85/633 , H10K85/622 , H10K85/6574 , H10K2101/40
Abstract: An organic light-emitting diode includes: an anode, a cathode and a light-emitting layer between the anode and the cathode. The light-emitting layer has a blue light host material; on the side of the light-emitting layer facing the anode, an electron blocking layer is provided in the direction away from the light-emitting layer; the electron blocking layer has a hole material; and the hole material has a structural formula as shown in the following formula (I), and the blue light host material has a structural formula as shown in the following formula (II).
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公开(公告)号:US20230269957A1
公开(公告)日:2023-08-24
申请号:US17921318
申请日:2021-07-05
Applicant: BOE Technology Group Co., Ltd.
CPC classification number: H10K50/16 , H10K50/12 , H10K50/18 , H10K59/35 , H10K2101/30
Abstract: An organic electroluminescent device, a display panel and a display apparatus. The organic electroluminescent device comprises: an anode and a cathode, which are arranged opposite each other; an organic electroluminescent layer, which is located between the anode and the cathode; a hole blocking layer, which is located between the organic electroluminescent layer and the cathode; and an electron transport layer, which is located between the hole blocking layer and the cathode, wherein the organic electroluminescent layer comprises: an exciplex formed by means of mixing an electron-type light-emitting host material and a hole-type light-emitting host material, and a light-emitting guest material doped in the exciplex; and the electron mobility of the electron transport layer is greater than that of the hole blocking layer, and the electron mobility of the hole blocking layer is greater than that of the electron-type light-emitting host material.
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公开(公告)号:US20230163004A1
公开(公告)日:2023-05-25
申请号:US17771692
申请日:2021-03-15
Inventor: Liangliang ZHAO , Junli ZHOU , Qiang LI , Kaipeng FU , Pingli LI , Yang LIU , Yunyun WANG , Yinlong ZHANG , Hongtao YANG
IPC: H01L21/673 , B65D8/00 , B65D43/02 , B65D81/05
CPC classification number: H01L21/67343 , B65D15/22 , B65D43/0202 , B65D81/053 , B65D2581/056 , B65D2581/055 , B29C44/12
Abstract: A packaging device and a manufacturing method thereof are provided. The packaging device includes: a bottom plate (1); a side plate (2) fixed to a surface of the bottom plate (1), the bottom plate (1) and the side plate (2) forming a containing cavity through joint enclosure; and a supporting piece (3) in the bottom plate (1). The bottom plate (1) completely wraps the supporting piece (3). An extending direction of the supporting piece (3) is roughly parallel to the surface of the bottom plate (1). A material of the supporting piece (3) is different from that of the bottom plate (1), and a strength of the supporting piece (3) is greater than that of the bottom plate (1).
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公开(公告)号:US20230142678A1
公开(公告)日:2023-05-11
申请号:US17432445
申请日:2021-02-03
Applicant: BOE Technology Group Co., Ltd.
Inventor: Haizheng ZHONG , Dengbao HAN , Chenhui WANG , Shuai CHANG , Yang LIU , Xiang MIAO
Abstract: The disclosure relates to the technical field of display, in particular to a luminescent film, a preparation method thereof, and an electroluminescent device. The luminescent film comprises: a crystallized blue-light perovskite material, and halogenated amine ligand materials grafted on the crystallized blue-light perovskite material, wherein the crystallized blue-light perovskite material comprises 3D perovskite nano-crystals; and the halogenated amine ligand materials comprise a first halogenated amine ligand material and a second halogenated amine ligand material, and the first halogenated amine ligand material is different from the second halogenated amine ligand material. The disclosure is suitable for manufacturing luminescent films and electroluminescent devices.
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7.
公开(公告)号:US20220344537A1
公开(公告)日:2022-10-27
申请号:US17762654
申请日:2021-05-17
Inventor: Xiao XIE , Yang LIU , Huabin CHEN , Xingliang LI , Yingqiang GAO , Linlin WANG , Ruirui WANG
Abstract: A light emitting diode and a driving method thereof, a light source apparatus, and an electronic device are disclosed, relating to the technical field of semiconductors. The light emitting diode includes: a substrate; a reflective light-emitting layer disposed on the substrate; a first electrode, a second electrode, and a first insulating layer which are discretely disposed on the reflective light-emitting layer; a saturable absorber layer disposed on the first insulating layer; and a third electrode, a fourth electrode, and a reflective composite layer which are disposed on the saturable absorber layer, respectively, the reflectivity of the reflective light-emitting layer is greater than the reflectivity of the reflective composite layer; wherein the orthographic projections of the saturable absorber layer, the third electrode, the fourth electrode, and the reflective composite layer on the reflective light-emitting layer, respectively, do not overlap with the first electrode and the second electrode.
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公开(公告)号:US20210223435A1
公开(公告)日:2021-07-22
申请号:US16957947
申请日:2019-12-20
Inventor: Lin WANG , Yongzhi SONG , Ruirui WANG , Huabin CHEN , Xingliang LI , Yang LIU , Yingqiang GAO
Abstract: The present disclosure discloses a color filter substrate, a manufacture method thereof and a display device. The color filter substrate includes a substrate; and a light channel layer on a side of the substrate. The light channel layer includes a first photonic crystal layer and a second photonic crystal layer stacked with each other up and down. The light channel layer includes a plurality of light channel units formed by a periodic arrangement of three different primary-color light channel units. Each of the light channel units includes a photonic crystal block of the first photonic crystal layer and a photonic crystal block of the second photonic crystal layer with an orthographic projection of the photonic crystal block of the first photonic crystal layer on the substrate overlapping an orthographic projection of the photonic crystal block of the second photonic crystal layer on the substrate.
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公开(公告)号:US20210094260A1
公开(公告)日:2021-04-01
申请号:US16970712
申请日:2020-02-27
Inventor: Junli ZHOU , Qiang LI , Liangliang ZHAO , Pingli LI , Qingyan ZHANG , Yang LIU , Chunli JIE , Xiuli LIU , Yanqiu LI , Kaipeng FU
IPC: B32B7/10 , H01L25/075 , G01B7/24 , B32B9/04
Abstract: A deformable structure includes a first deformable layer, and a material of the first deformable layer includes a deformable material. The deformable material includes a plurality of sheet structures that are stacked, and each sheet structure includes a plurality of aldolases. A molecular model of an aldolase is equivalent to a square on a plane where the sheet structure is located, and the aldolase has amino acid residues at each of four corners thereof. In one sheet structure, amino acid residues at four corners of each aldolase are connected to amino acid residues of four aldolases around the aldolase through four disulfide bonds, respectively. In two adjacent sheet structures, amino acid residues of two adjacent aldolases are connected through at least one disulfide bond.
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公开(公告)号:US20200033671A1
公开(公告)日:2020-01-30
申请号:US16452792
申请日:2019-06-26
Inventor: Lin WANG , Yongzhi SONG , Ruirui WANG , Huabin CHEN , Xingliang LI , Yang LIU , Yingqiang GAO
IPC: G02F1/1335 , G02B5/20 , G02B1/00 , G02B5/26
Abstract: A color filter substrate, a manufacturing method thereof and a display device are disclosed. The color filter substrate includes a base substrate and a plurality of filter units located on the base substrate. Each filter unit includes a photonic crystal layer configured to transmit light of one color, and includes a first photonic crystal sub-layer and a second photonic crystal sub-layer that are stacked in a direction perpendicular to the base substrate.
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